Did you include the JodaTime package into your project?
lienok wrote:
>
> Hello,
>
> I am following book Enjoying web development with wicket, using Wicket
> 1.3.2.
> Everythink worked fine till I added form.add(quoteDate).
> Please check code and stack trace below and let me know any advice.
> Thank you
>
> public class GetQuoteSymbol extends WebPage {
> private Model model;
>
> private Model dateModel;
>
> public GetQuoteSymbol() {
> FeedbackPanel feedback = new FeedbackPanel("msgs");
> add(feedback);
> Form form = new Form("f") {
> protected void onSubmit() {
> String sym = (String) model.getObject();
> Date date = (Date) dateModel.getObject();
> int stockValue = (sym +
> date.toString()).hashCode() % 100;
> QuoteResult quoteResult = new
> QuoteResult(stockValue);
> setResponsePage(quoteResult);
> }
> };
> model = new Model();
> List symbols = new ArrayList();
> symbols.add("MSFT");
> symbols.add("IBM");
> symbols.add("RHAT");
> DropDownChoice symbol = new DropDownChoice("sym", model,
> symbols);
> symbol.setRequired(true);
> form.add(symbol);
> dateModel = new Model();
> TextField quoteDate = new TextField("quoteDate", dateModel,
> Date.class);
> quoteDate.setRequired(true);
> quoteDate.add(new DatePicker());
>
> //HERE IS A PROBLEM
> form.add(quoteDate);
>
> add(form);
> }
> }
>
> stack trace:
> WicketMessage: Can't instantiate page using constructor public
> com.myapp.stockquote.GetQuoteSymbol()
>
> Root cause:
>
> java.lang.ClassNotFoundException: org.joda.time.DateTime
> at
> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1363)
> at
> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1209)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:169)
> at
> org.apache.wicket.extensions.yui.calendar.DatePicker.class$(DatePicker.java:86)
> at
> org.apache.wicket.extensions.yui.calendar.DatePicker.getDatePattern(DatePicker.java:438)
> at
> org.apache.wicket.extensions.yui.calendar.DatePicker.checkComponentProvidesDateFormat(DatePicker.java:296)
> at
> org.apache.wicket.extensions.yui.calendar.DatePicker.bind(DatePicker.java:129)
> at org.apache.wicket.Component.add(Component.java:922)
> at com.myapp.stockquote.GetQuoteSymbol.<init>(GetQuoteSymbol.java:57)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> at
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:149)
> at
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:58)
> at
> org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.newPage(BookmarkablePageRequestTarget.java:262)
> at
> org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.getPage(BookmarkablePageRequestTarget.java:283)
> at
> org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.processEvents(BookmarkablePageRequestTarget.java:210)
> at
> org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:91)
> at
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1166)
> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1243)
> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1330)
> at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
> at
> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:358)
> at
> org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:124)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
> at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
> at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
> at
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
> at java.lang.Thread.run(Thread.java:619)
>
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